Update bundle names

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

WireGuardNetworkExtension/WireGuardNetworkExtension.entitlements

@@ -8,11 +8,11 @@
 	</array>
 	<key>com.apple.security.application-groups</key>
 	<array>
-		<string>com.wireguard.ios.WireGuard</string>
+		<string>group.com.wireguard.ios</string>
 	</array>
 	<key>keychain-access-groups</key>
 	<array>
-		<string>$(AppIdentifierPrefix)com.wireguard.ios.WireGuard</string>
+		<string>$(AppIdentifierPrefix)com.wireguard.ios</string>
 	</array>
 </dict>
 </plist>